1.No battery:Keep cranking the handle to play music. You are my sunshine Music melody.
2.Easy to Carry: Unit Size: 2.55"×1.97"×1.5"（6.5cm×5cm×3.8cm), designed to be small so that it easily fits in the palm of a child's hand, slightly smaller than the credit card you are holding in your hand!
3. Perfect Gifts:It is a great Gift for Daughter Son,Mom,Dad,Wife,Husband,Girlfriend .It is also is also serves as an excellent conversation piece.The best present for birthday, holiday, anniversary, wedding, Mother's Day, Christmas, Father's Day and Valentine's Day!